oj.uz

Submission #526076

# Submission time Handle Problem Language Result Execution time Memory
526076 2022-02-13T16:35:18 Z TheKingAleks Bootfall (IZhO17_bootfall) C++14
13 / 100
 40 ms 2756 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const ll MAX_N = 600;
const ll MAX_N2 = 300000;
ll sum,n,dp[MAX_N2],cnt[MAX_N2],a[MAX_N];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n;
    for(ll i=0; i<n; i++)
    {
        cin>>a[i];
        sum+=a[i];
    }
    dp[0] = 1;
    for(ll i=0; i<n; i++)
    {
        for(ll s=MAX_N2-a[i]-1; s>=0; s--)
        {
            dp[s+a[i]] += dp[s];
        }
    }
    if(sum%2 != 0 || dp[sum/2] == 0)
    {
        cout<<0<<endl;
        return 0;
    }
    for(ll i=0; i<n; i++) /// ignore i-th
    {
        for(ll s=0; s+a[i]<MAX_N2; s++)
        {
            dp[s+a[i]] -= dp[s];
        }
        sum-=a[i];
        for(ll x0=1; x0<MAX_N2 && x0<=sum; x0++)
        {
            if((sum+x0)%2 == 0)
            {
                if(dp[(sum+x0)/2] > 0)
                {
                    cnt[x0]++;
                }
            }
        }
        sum+=a[i];
        for(ll s=MAX_N2-a[i]-1; s>=0; s--)
        {
            dp[s+a[i]] += dp[s];
        }
    }
    vector<ll> res;
    for(ll x0=1; x0<MAX_N2; x0++)
    {
        if(cnt[x0] == n)
        {
            res.push_back(x0);
        }
    }
    cout<<res.size()<<endl;
    for(auto x: res) cout<<x<<" ";

}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2636 KB Output is correct
2 Correct 6 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 5 ms 2636 KB Output is correct
5 Correct 9 ms 2636 KB Output is correct
6 Correct 7 ms 2636 KB Output is correct
7 Correct 6 ms 2636 KB Output is correct
8 Correct 8 ms 2636 KB Output is correct
9 Correct 9 ms 2636 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2636 KB Output is correct
2 Correct 6 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 5 ms 2636 KB Output is correct
5 Correct 9 ms 2636 KB Output is correct
6 Correct 7 ms 2636 KB Output is correct
7 Correct 6 ms 2636 KB Output is correct
8 Correct 8 ms 2636 KB Output is correct
9 Correct 9 ms 2636 KB Output is correct
10 Correct 18 ms 2636 KB Output is correct
11 Correct 19 ms 2636 KB Output is correct
12 Correct 18 ms 2636 KB Output is correct
13 Correct 17 ms 2636 KB Output is correct
14 Correct 19 ms 2756 KB Output is correct
15 Correct 19 ms 2636 KB Output is correct
16 Correct 20 ms 2672 KB Output is correct
17 Correct 13 ms 2636 KB Output is correct
18 Correct 15 ms 2672 KB Output is correct
19 Correct 17 ms 2636 KB Output is correct
20 Correct 18 ms 2668 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2636 KB Output is correct
2 Correct 6 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 5 ms 2636 KB Output is correct
5 Correct 9 ms 2636 KB Output is correct
6 Correct 7 ms 2636 KB Output is correct
7 Correct 6 ms 2636 KB Output is correct
8 Correct 8 ms 2636 KB Output is correct
9 Correct 9 ms 2636 KB Output is correct
10 Correct 18 ms 2636 KB Output is correct
11 Correct 19 ms 2636 KB Output is correct
12 Correct 18 ms 2636 KB Output is correct
13 Correct 17 ms 2636 KB Output is correct
14 Correct 19 ms 2756 KB Output is correct
15 Correct 19 ms 2636 KB Output is correct
16 Correct 20 ms 2672 KB Output is correct
17 Correct 13 ms 2636 KB Output is correct
18 Correct 15 ms 2672 KB Output is correct
19 Correct 17 ms 2636 KB Output is correct
20 Correct 18 ms 2668 KB Output is correct
21 Correct 36 ms 2668 KB Output is correct
22 Incorrect 40 ms 2668 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2636 KB Output is correct
2 Correct 6 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 5 ms 2636 KB Output is correct
5 Correct 9 ms 2636 KB Output is correct
6 Correct 7 ms 2636 KB Output is correct
7 Correct 6 ms 2636 KB Output is correct
8 Correct 8 ms 2636 KB Output is correct
9 Correct 9 ms 2636 KB Output is correct
10 Correct 18 ms 2636 KB Output is correct
11 Correct 19 ms 2636 KB Output is correct
12 Correct 18 ms 2636 KB Output is correct
13 Correct 17 ms 2636 KB Output is correct
14 Correct 19 ms 2756 KB Output is correct
15 Correct 19 ms 2636 KB Output is correct
16 Correct 20 ms 2672 KB Output is correct
17 Correct 13 ms 2636 KB Output is correct
18 Correct 15 ms 2672 KB Output is correct
19 Correct 17 ms 2636 KB Output is correct
20 Correct 18 ms 2668 KB Output is correct
21 Correct 36 ms 2668 KB Output is correct
22 Incorrect 40 ms 2668 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2636 KB Output is correct
2 Correct 6 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 5 ms 2636 KB Output is correct
5 Correct 9 ms 2636 KB Output is correct
6 Correct 7 ms 2636 KB Output is correct
7 Correct 6 ms 2636 KB Output is correct
8 Correct 8 ms 2636 KB Output is correct
9 Correct 9 ms 2636 KB Output is correct
10 Correct 18 ms 2636 KB Output is correct
11 Correct 19 ms 2636 KB Output is correct
12 Correct 18 ms 2636 KB Output is correct
13 Correct 17 ms 2636 KB Output is correct
14 Correct 19 ms 2756 KB Output is correct
15 Correct 19 ms 2636 KB Output is correct
16 Correct 20 ms 2672 KB Output is correct
17 Correct 13 ms 2636 KB Output is correct
18 Correct 15 ms 2672 KB Output is correct
19 Correct 17 ms 2636 KB Output is correct
20 Correct 18 ms 2668 KB Output is correct
21 Correct 36 ms 2668 KB Output is correct
22 Incorrect 40 ms 2668 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2636 KB Output is correct
2 Correct 6 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 5 ms 2636 KB Output is correct
5 Correct 9 ms 2636 KB Output is correct
6 Correct 7 ms 2636 KB Output is correct
7 Correct 6 ms 2636 KB Output is correct
8 Correct 8 ms 2636 KB Output is correct
9 Correct 9 ms 2636 KB Output is correct
10 Correct 18 ms 2636 KB Output is correct
11 Correct 19 ms 2636 KB Output is correct
12 Correct 18 ms 2636 KB Output is correct
13 Correct 17 ms 2636 KB Output is correct
14 Correct 19 ms 2756 KB Output is correct
15 Correct 19 ms 2636 KB Output is correct
16 Correct 20 ms 2672 KB Output is correct
17 Correct 13 ms 2636 KB Output is correct
18 Correct 15 ms 2672 KB Output is correct
19 Correct 17 ms 2636 KB Output is correct
20 Correct 18 ms 2668 KB Output is correct
21 Correct 36 ms 2668 KB Output is correct
22 Incorrect 40 ms 2668 KB Output isn't correct
23 Halted 0 ms 0 KB -